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Moles and Avogadro's number
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How many molecules are there in 31.8 moles of water?
1.91 x 10^25 molecules
How many formula units are in 2.5 moles of NaCl?
1.5 x10^24 formula units
How many moles are in 3.01 x 10^22 atoms of magnesium?
0.05 moles
How many moles are in 1.2 x 10^24 molecules of CO?
2 moles
How many atoms of carbon are in 0.5 moles of carbon?
3.01x10^23 atoms C
How many molecules of sugar (C6H12O6) are in a mole?
6.02 x 10^23 molecules
How is moles abbreviated?
mol
The mole can be used to measure:
atoms, molecules and formula units.
How many atoms are in 1 mole of Iodine (I)?
6.02 x 10^23
What is the conversion factor that should be used to determine how many molecules are there in 4.00 moles of glucose, C6H12O6?
Multiply by Avogadro's number and divide by 1
A mole is:
The SI unit for the amount of a substance
One mole of carbon dioxide (CO2) contains 6.02 x 10^23 _____.
molecules
How many moles are in 6.02 x 10^23 molecules of H2O?
1 mole
What is the value of Avogadro's number?
6.02 x 10^23
1 mole of zinc is how many atoms?
6.02 x 10^23 atoms
What is the scientific notation for 1,079,000,000,000,000 (Hint, count the number of zeros)
1.079x10^15
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